Re: Replacing a dead node in Cassandra 2.0.8

2014-08-25 Thread tsi
? tsi wrote > OK, now supposing Cassandra is run in a VM that crashes and I restore it > from a snapshot done some time ago. Data is stored redundantly > (replication factor 3) and I'm using consistency level QUORUM for reads > and writes. That means no data should be lost as the la

Re: Replacing a dead node in Cassandra 2.0.8

2014-08-13 Thread tsi
OK, now supposing Cassandra is run in a VM that crashes and I restore it from a snapshot done some time ago. Data is stored redundantly (replication factor 3) and I'm using consistency level QUORUM for reads and writes. That means no data should be lost as the latest data will at least be stored on

Replacing a dead node in Cassandra 2.0.8

2014-08-12 Thread tsi
In the datastax documentation there is a description how to replace a dead node (http://www.datastax.com/documentation/cassandra/2.0/cassandra/operations/ops_replace_node_t.html). Is the replace_address option required even if the IP address of the new node is the same as the original one (I read

Re: Migration from Cassandra 1.2.5 to Cassandra 2.0.8 with changed partitioner settings

2014-07-30 Thread tsi
Well, the new Cassandra cluster is already setup with the different partitioner settings and there are already other applications running on it. So the task is to migrate our application data to this new cluster to avoid setting up a dedicated Cassandra cluster just for our application. -- Vie

Re: Migration from Cassandra 1.2.5 to Cassandra 2.0.8 with changed partitioner settings

2014-07-29 Thread tsi
We are moving our application to a plattform with this partitioner setting and as far as I know there is no way to specify a partitioner on keyspace level. -- View this message in context: http://cassandra-user-incubator-apache-org.3065146.n2.nabble.com/Migration-from-Cassandra-1-2-5-to-Cassand

Migration from Cassandra 1.2.5 to Cassandra 2.0.8 with changed partitioner settings

2014-07-29 Thread tsi
We are planning to migrate data from a Cassandra 1.2.5 to a new Cassandra 2.0.8 cluster with changed partitioner settings (1.2.5: org.apache.cassandra.dht.RandomPartitioner, 2.0.8: org.apache.cassandra.dht.Murmur3Partitioner). Restoring a snapshot via BulkLoader fails with error message SSTableRe